LG
LG UltraGear OLED GX9 45GX900A-B
A top-tier ultrawide monitor for anyone building a living-room setup, leading with 45 in.
92/100
45 in240 HzWOLED0.03 msDisplayHDR 40021:9
£1,049best price at Amazon
In stock at 1 retailer
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Why we rate it
- G-Sync
- FreeSync
- Motion blur reduction
- Above-average refresh rate
- No kvm switch
Score profile
Scored against the ultrawide monitors classWhere the LG UltraGear OLED GX9 45GX900A-B wins and loses
Full specification
Grouped · supported features marked in blueSpecifications
Display
Size45 "
Resolution3440
Aspect ratio21
CurvatureCurved
Panel typeWOLED
Refresh rate240 Hz
Response time0.03 ms
Peak brightness1300 nits
DCI-P3 coverage98.5
HDR and contrast
HDR certificationDisplayHDR 400
Contrast ratio1300
Ports
HDMI ports2
HDMI version2.1
DisplayPort1
DisplayPort versionDP 1.4
USB-C1
Gaming features
G-SyncYes
FreeSyncYes
Motion blur reductionYes
Audio
Built-in speakersYes
More specs
GsyncYes
Weight13.5 kg
Curvature r800
Adaptive syncYes
Color depth bit10
Dci p3 coverage98 %
Max brightness1300 nits
Watch it in action
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Head to head
Highlighted cell = better in that rowLG UltraGear OLED GX9 45GX900A-B vs Samsung Samsung Odyssey OLED 49" Gaming Monitor
LG UltraGear OLED GX9 45GX900A-BSamsung Odyssey OLED 49" Gaming Monitor
| LGLG UltraGear OLED GX9 45GX900A-BThis page | SamsungSamsung Odyssey OLED 49" Gaming Monitor | |
|---|---|---|
| Overall score | 92 /100 | 94 /100Better |
| Size | 45 " | 49 " |
| Refresh | 240 Hz | 240 Hz |
| Panel type | WOLED | OLED |
| Curvature | Curved | — |
| Aspect ratio | 21 | 32 |
| Response | 0.03 ms | 0.03 ms |
Who it's for
Is the LG UltraGear OLED GX9 45GX900A-B right for you?
Buy it if
Made for the living room
Anyone building a living-room setup who want a ultrawide monitor that delivers without fuss, and this one fits.
Skip it if
Skip it if
You need kvm switch, in which case a higher-tier ultrawide monitor is the better call.
Home cinema viewer
Wants the best picture for films and gaming nights.
excellent
Everyday watcher
Mixed TV, streaming and the odd console session.
good
Budget upgrader
Replacing an older set without overspending.
excellent
Common questions
Before you buy
Is the LG UltraGear OLED GX9 45GX900A-B worth it?
For most buyers, yes. It scores 92/100 against other ultrawide monitors, a top-tier result where the class average is around 63.
What stands out on the LG UltraGear OLED GX9 45GX900A-B?
Its g-sync stands out, a genuinely useful feature if your setup calls for it.
How does it compare to the Samsung Odyssey LS49DG954SUXXU 49" OLED?
The Samsung Odyssey LS49DG954SUXXU 49" OLED scores 94/100 versus this one at 92/100, so it is the step up on the spec sheet.
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